Which of the Following Is a Sociological Explanation of Why

Which of the following is a sociological explanation of why developed nations should aid other nations in health care?

A) We have a moral obligation to help those in need.
B) All of the major world religions emphasize helping those less fortunate.
C) In an ever connected world, the only way to protect a society against the spread of infectious disease is to stop them where they are most prevalent.
D) Wealthy nations rely on the workforce of poor people in less developed nations.